1 /* 2 * Copyright (C) 2007 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.dx.command.dump; 18 19 import com.android.dex.util.FileUtils; 20 import com.android.dx.cf.iface.ParseException; 21 import com.android.dx.util.HexParser; 22 import java.io.UnsupportedEncodingException; 23 24 /** 25 * Main class for the class file dumper. 26 */ 27 public class Main { 28 29 static Args parsedArgs = new Args(); 30 31 /** 32 * This class is uninstantiable. 33 */ Main()34 private Main() { 35 // This space intentionally left blank. 36 } 37 38 /** 39 * Run! 40 */ main(String[] args)41 public static void main(String[] args) { 42 int at = 0; 43 44 for (/*at*/; at < args.length; at++) { 45 String arg = args[at]; 46 if (arg.equals("--") || !arg.startsWith("--")) { 47 break; 48 } else if (arg.equals("--bytes")) { 49 parsedArgs.rawBytes = true; 50 } else if (arg.equals("--basic-blocks")) { 51 parsedArgs.basicBlocks = true; 52 } else if (arg.equals("--rop-blocks")) { 53 parsedArgs.ropBlocks = true; 54 } else if (arg.equals("--optimize")) { 55 parsedArgs.optimize = true; 56 } else if (arg.equals("--ssa-blocks")) { 57 parsedArgs.ssaBlocks = true; 58 } else if (arg.startsWith("--ssa-step=")) { 59 parsedArgs.ssaStep = arg.substring(arg.indexOf('=') + 1); 60 } else if (arg.equals("--debug")) { 61 parsedArgs.debug = true; 62 } else if (arg.equals("--dot")) { 63 parsedArgs.dotDump = true; 64 } else if (arg.equals("--strict")) { 65 parsedArgs.strictParse = true; 66 } else if (arg.startsWith("--width=")) { 67 arg = arg.substring(arg.indexOf('=') + 1); 68 parsedArgs.width = Integer.parseInt(arg); 69 } else if (arg.startsWith("--method=")) { 70 arg = arg.substring(arg.indexOf('=') + 1); 71 parsedArgs.method = arg; 72 } else { 73 System.err.println("unknown option: " + arg); 74 throw new RuntimeException("usage"); 75 } 76 } 77 78 if (at == args.length) { 79 System.err.println("no input files specified"); 80 throw new RuntimeException("usage"); 81 } 82 83 for (/*at*/; at < args.length; at++) { 84 try { 85 String name = args[at]; 86 System.out.println("reading " + name + "..."); 87 byte[] bytes = FileUtils.readFile(name); 88 if (!name.endsWith(".class")) { 89 String src; 90 try { 91 src = new String(bytes, "utf-8"); 92 } catch (UnsupportedEncodingException ex) { 93 throw new RuntimeException("shouldn't happen", ex); 94 } 95 bytes = HexParser.parse(src); 96 } 97 processOne(name, bytes); 98 } catch (ParseException ex) { 99 System.err.println("\ntrouble parsing:"); 100 if (parsedArgs.debug) { 101 ex.printStackTrace(); 102 } else { 103 ex.printContext(System.err); 104 } 105 } 106 } 107 } 108 109 /** 110 * Processes one file. 111 * 112 * @param name {@code non-null;} name of the file 113 * @param bytes {@code non-null;} contents of the file 114 */ processOne(String name, byte[] bytes)115 private static void processOne(String name, byte[] bytes) { 116 if (parsedArgs.dotDump) { 117 DotDumper.dump(bytes, name, parsedArgs); 118 } else if (parsedArgs.basicBlocks) { 119 BlockDumper.dump(bytes, System.out, name, false, parsedArgs); 120 } else if (parsedArgs.ropBlocks) { 121 BlockDumper.dump(bytes, System.out, name, true, parsedArgs); 122 } else if (parsedArgs.ssaBlocks) { 123 // --optimize ignored with --ssa-blocks 124 parsedArgs.optimize = false; 125 SsaDumper.dump(bytes, System.out, name, parsedArgs); 126 } else { 127 ClassDumper.dump(bytes, System.out, name, parsedArgs); 128 } 129 } 130 } 131